/*
 * Pixel Dungeon
 * Copyright (C) 2012-2014  Oleg Dolya
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
package com.shatteredpixel.shatteredpixeldungeon.items;

import com.shatteredpixel.shatteredpixeldungeon.Assets;
import com.shatteredpixel.shatteredpixeldungeon.Dungeon;
import com.shatteredpixel.shatteredpixeldungeon.actors.Actor;
import com.shatteredpixel.shatteredpixeldungeon.actors.buffs.Buff;
import com.shatteredpixel.shatteredpixeldungeon.actors.hero.Hero;
import com.shatteredpixel.shatteredpixeldungeon.actors.mobs.Mob;
import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.DriedRose;
import com.shatteredpixel.shatteredpixeldungeon.items.artifacts.TimekeepersHourglass;
import com.shatteredpixel.shatteredpixeldungeon.items.wands.WandOfBlink;
import com.shatteredpixel.shatteredpixeldungeon.levels.Level;
import com.shatteredpixel.shatteredpixeldungeon.scenes.InterlevelScene;
import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSprite.Glowing;
import com.shatteredpixel.shatteredpixeldungeon.sprites.ItemSpriteSheet;
import com.shatteredpixel.shatteredpixeldungeon.utils.GLog;
import com.shatteredpixel.shatteredpixeldungeon.utils.Utils;
import com.watabou.noosa.Game;
import com.watabou.noosa.audio.Sample;
import com.watabou.utils.Bundle;

import java.util.ArrayList;

public class LloydsBeacon extends Item {

	private static final String TXT_PREVENTING = 
		"Strong magic aura of this place prevents you from using the lloyd's beacon!";
	
	private static final String TXT_CREATURES = 
		"Psychic aura of neighbouring creatures doesn't allow you to use the lloyd's beacon at this moment.";
	
	private static final String TXT_RETURN = 
		"The lloyd's beacon is successfully set at your current location, now you can return here anytime.";
			
	private static final String TXT_INFO =
		"Lloyd's beacon is an intricate magic device, that allows you to return to a place you have already been.";
	
	private static final String TXT_SET = 
		"\n\nThis beacon was set somewhere on the level %d of Pixel Dungeon.";
	
	public static final float TIME_TO_USE = 1;
	
	public static final String AC_SET		= "SET";
	public static final String AC_RETURN	= "RETURN";
	
	private int returnDepth	= -1;
	private int returnPos;
	
	{
		name = "lloyd's beacon";
		image = ItemSpriteSheet.BEACON;
		
		unique = true;
	}
	
	private static final String DEPTH	= "depth";
	private static final String POS		= "pos";
	
	@Override
	public void storeInBundle( Bundle bundle ) {
		super.storeInBundle( bundle );
		bundle.put( DEPTH, returnDepth );
		if (returnDepth != -1) {
			bundle.put( POS, returnPos );
		}
	}
	
	@Override
	public void restoreFromBundle( Bundle bundle ) {
		super.restoreFromBundle(bundle);
		returnDepth	= bundle.getInt( DEPTH );
		returnPos	= bundle.getInt( POS );
	}
	
	@Override
	public ArrayList<String> actions( Hero hero ) {
		ArrayList<String> actions = super.actions( hero );
		actions.add( AC_SET );
		if (returnDepth != -1) {
			actions.add( AC_RETURN );
		}
		return actions;
	}
	
	@Override
	public void execute( Hero hero, String action ) {
		
		if (action == AC_SET || action == AC_RETURN) {
			
			if (Dungeon.bossLevel()) {
				hero.spend( LloydsBeacon.TIME_TO_USE );
				GLog.w( TXT_PREVENTING );
				return;
			}
			
			for (int i=0; i < Level.NEIGHBOURS8.length; i++) {
				if (Actor.findChar( hero.pos + Level.NEIGHBOURS8[i] ) != null) {
					GLog.w( TXT_CREATURES );
					return;
				}
			}
		}
		
		if (action == AC_SET) {
			
			returnDepth = Dungeon.depth;
			returnPos = hero.pos;
			
			hero.spend( LloydsBeacon.TIME_TO_USE );
			hero.busy();
			
			hero.sprite.operate( hero.pos );
			Sample.INSTANCE.play( Assets.SND_BEACON );
			
			GLog.i( TXT_RETURN );
			
		} else if (action == AC_RETURN) {
			
			if (returnDepth == Dungeon.depth) {
				reset();
				WandOfBlink.appear( hero, returnPos );
				Dungeon.level.press( returnPos, hero );
				Dungeon.observe();
			} else {

				Buff buff = Dungeon.hero.buff(TimekeepersHourglass.timeFreeze.class);
				if (buff != null) buff.detach();

                for (Mob mob : Dungeon.level.mobs.toArray( new Mob[0] ))
                    if (mob instanceof DriedRose.GhostHero) mob.destroy();

				InterlevelScene.mode = InterlevelScene.Mode.RETURN;
				InterlevelScene.returnDepth = returnDepth;
				InterlevelScene.returnPos = returnPos;
				reset();
				Game.switchScene( InterlevelScene.class );
			}
			
			
		} else {
			
			super.execute( hero, action );
			
		}
	}
	
	public void reset() {
		returnDepth = -1;
	}
	
	@Override
	public boolean isUpgradable() {
		return false;
	}
	
	@Override
	public boolean isIdentified() {
		return true;
	}
	
	private static final Glowing WHITE = new Glowing( 0xFFFFFF );
	
	@Override
	public Glowing glowing() {
		return returnDepth != -1 ? WHITE : null;
	}
	
	@Override
	public String info() {
		return TXT_INFO + (returnDepth == -1 ? "" : Utils.format( TXT_SET, returnDepth ) );
	}
}